Patent US3517686A successfully refreshed from Google Patents.
US3517686A
Expired / Lapsed
US
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Fluid oscillator system
Assignee: Pitney Bowes Inc
•
Filing: 1966-07-13
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Granted: 1970-06-30
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Expires: 1986-07-13
Abstract
No abstract record available.
Inventors
- 👤 Brooks Lyman
- 👤 Robert F O'keefe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:47
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/18; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2273
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1628723A
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US3295543A
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US3204652A
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US3159168A
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US3258023A
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US3362421A
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US3269419A
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US3228410A
Cited
US3272215A
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US3275015A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |